Then I look at my little dude and remember "Oh yeah, im a human that somehow just ate a giant in one gulp".
And for added challenge / scaling things back, you could restrict the equipment since most of this characters power comes from what they consume, not what they wear. You could completely restrict all inventory slots except maybe a handful like telekinetic weapons when learned, cloaks since you could just drape it around yourself, and maybe a light source or a tool.
Definitely love the feel to it though. Its like adventurer, only the opposite. Instead of being restricted in your talent choices by what you picked, you are restricted by what you come across and manage to eat.
Something like this sucker:
